this truck valves quality is line with European standards, and 100% ... various of truck valves,truck tire valves,light truck valves,and tubeless tire valves.The following are our main valves: TR412,TR413,TR414 ... have a strong ability of developing and producing new valves products.(1)conforming to international standards(2)products ... serviceWe are always here for you! truck valves,light truck valves